package com.server.commons.security.handler;

import com.server.common.security.code.SecurityUtils;
import com.server.common.security.code.thread.ThreadLocalHeaderUtils;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;

@Component
public class MyHandlerInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        boolean preHandle = HandlerInterceptor.super.preHandle(request, response, handler);

        if(preHandle){
            Map<String,String> map = new HashMap<>();
            Enumeration<String> headerNames = request.getHeaderNames();
            while (headerNames.hasMoreElements()){
                String key = headerNames.nextElement();
                map.put(key,request.getHeader(key));
            }
            ThreadLocalHeaderUtils.setMap(map);

        }

        return preHandle;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        HandlerInterceptor.super.postHandle(request, response, handler, modelAndView);
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
    }
}
